If you did put it in dishwasher and it got all wrinkled up and useless - no need to get new RainMate. We sell water containers separately
HERE.
One of the most common problems is broken fans or intake stems. They are pretty fragile but very easy to replace. Just pull it off the shaft and slide the new one on. Stem and fan are sold in kits and available
HERE.
Manufacturers part number
New style (year 2011 ) R14883 or R14889
Old style (prior 2011 ) R13244